W hen treating patients with developmental dysplasia of the hip (DDH), the goal is to get the hip concentrically reduced and stable as early as possible with the easiestand safest-possible means. The Pavlik harness has enjoyed great success in the treatment of DDH, often meeting this essential objective. In fact, the success of the harness can be as high as 95% in patients with dysplasia, subluxation, persistent laxity, and Barlow positive dislocatable hips [2]. However, the Pavlik harness is not without its limitations. The harness is purely dependent on the cooperation of parents, as well as on its proper application. Additionally, treating the dislocated hip with the Pavlik harness is quite challenging. Novais and colleagues confirmed that the success of the Pavlik harness is considerably lower in children with dislocated hips [5, 6, 8, 9] compared to those with subluxated and dislocatable hips. Similarly to previously published studies [5, 8, 9], the current study also confirmed that Graf Type IV hips (defined as an alpha angle less than 43 and a downward-displaced labrum) are at higher risk of failing to achieve and maintain concentric hip reduction compared to subluxated and dislocatable hips.